anyone please. my 97 gtp has these readings on the scanmaster. spark advance stays at 0 always-from idle to 100+.yes i get knock which tops out at around 8 deg usually at 62-66 mph (shift point)or 94 (another shift)when in the quarter.car has cold air intake, 3.4 pulley, gutted cat,180 therm, tr6 plugs and new tune up. also the leanest it gets is 900.confused and concerened.